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age related cognitive decline

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https://www.readbyqxmd.com/read/28811842/the-effect-of-three-different-exercise-training-modalities-on-cognitive-and-physical-function-in-a-healthy-older-population
#1
Carla Coetsee, Elmarie Terblanche
BACKGROUND: Older adults are encouraged to participate in regular physical activity to counter the age-related declines in physical and cognitive health. Literature on the effect of different exercise training modalities (aerobic vs resistance) on these health-related outcomes is not only sparse, but results are inconsistent. In general, it is believed that exercise has a positive effect on executive cognitive function, possibly because of the physiological adaptations through increases in fitness...
2017: European Review of Aging and Physical Activity
https://www.readbyqxmd.com/read/28811228/curcumin-in-alzheimer-s-disease-can-we-think-to-new-strategies-and-perspectives-for-this-molecule
#2
REVIEW
Serafini Melania Maria, Catanzaro Michele, Rosini Michela, Racchi Marco, Lanni Cristina
Population aging is an irreversible global trend with economic and socio-political consequences. One of the most invalidating outcomes of aging in the elderly is cognitive decline, leading to dementia and often related to neurodegenerative disorders. Among these latter, Alzheimer's disease (AD) is the major cause of dementia, affecting more than 30 million of individuals worldwide. To date, the treatment of AD remains a challenge because of an incomplete understanding of the events that lead to the selective neurodegeneration typical of Alzheimer's brains...
August 12, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28810557/role-of-mammalian-target-of-rapamycin-signaling-in-autophagy-and-the-neurodegenerative-process-using-a-senescence-accelerated-mouse-prone-8-model
#3
Yanyong Wang, Qinying Ma, Xiaowei Ma, Zhongxia Zhang, Na Liu, Mingwei Wang
The mammalian target of rapamycin (mTOR) kinase is an inhibitor of autophagy, which is an intracellular system involved in the degradation of long-lived proteins and organelles in lysosomes. Recent evidence suggests that the steady incline in mTOR function during aging may be associated with the cognitive decline related to aging and may also promote development of Tau pathology. At present, the senescence accelerated mouse prone 8 (SAMP8) is an experimental model that has been proposed for the study of age-related neurodegenerative changes associated with aging...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809657/everyday-technology-use-related-to-activity-involvement-among-people-in-cognitive-decline
#4
Annicka Hedman, Louise Nygård, Anders Kottorp
OBJECTIVE: We investigated how everyday technology use related to activity involvement over 5 yr in people with mild cognitive impairment. METHOD: Thirty-seven older adults with mild cognitive impairment were evaluated regarding everyday technology use and involvement in activities over time. Information on diagnostic changes was collected from medical files. Linear mixed-effects models were used in data analysis. RESULTS: Ability to use everyday technology showed a significant effect on activity involvement (p = ...
September 2017: American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association
https://www.readbyqxmd.com/read/28808887/chronic-silymarin-quercetin-and-naringenin-treatments-increase-monoamines-synthesis-and-hippocampal-sirt1-levels-improving-cognition-in-aged-rats
#5
F Sarubbo, M R Ramis, C Kienzer, S Aparicio, S Esteban, A Miralles, D Moranta
Polyphenols have beneficial neurological effects delaying cognitive and motor decline in aging due to their antioxidant, antiinflammatory and neuroprotective properties. These effects could be related to SIRT1 activation (implicated in synaptic plasticity, memory and inflammation) and monoaminergic synthesis modulation. In this work, we studied in old male rats, the in vivo effects of long-term administration of different polyphenols (silymarin, quercetin and naringenin; 20 mg/kg/day i.p, 4 weeks) (Sprague-Dawley, 18 months) on cognition and motor coordination...
August 14, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28807816/mtor-in-down-syndrome-role-in-a%C3%A3-and-tau-neuropathology-and-transition-to-alzheimer-disease-like-dementia
#6
REVIEW
Fabio Di Domenico, Antonella Tramutola, Cesira Foppoli, Elisabeth Head, Marzia Perluigi, D Allan Butterfield
The mammalian target of rapamycin (mTOR) is a serine/threonine protein kinase involved in the regulation of protein synthesis and degradation, longevity and cytoskeletal formation. The mTOR pathway represents a key growth and survival pathway involved in several diseases such as cancer, obesity, cardiovascular disease and neurodegenerative diseases. Numerous studies linked the alterations of mTOR pathway to age-dependent cognitive decline, pathogenesis of Alzheimer disease (AD) and AD-like dementia in Down syndrome (DS)...
August 11, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28807493/homocysteine-and-cognitive-function-in-parkinson-s-disease
#7
Nicole Licking, Charles Murchison, Brenna Cholerton, Cyrus P Zabetian, Shu-Ching Hu, Thomas J Montine, Amie L Peterson-Hiller, Kathryn A Chung, Karen Edwards, James B Leverenz, Joseph F Quinn
INTRODUCTION: Increased plasma homocysteine (HC) is a risk factor for dementia in the general population. Levodopa therapy causes increased plasma HC, but it remains unclear whether elevated plasma HC is associated with cognitive impairment in Parkinson's disease (PD). METHODS: The study population includes all participants in the Pacific Northwest Udall Center (PANUC) Clinical cohort at the time of the study, consisting of 294 individuals with PD who had a standardized neuropsychological assessment and plasma collection for HC measurement...
August 9, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28805100/older-adults-with-a-combination-of-vision-and-hearing-impairment-experience-higher-rates-of-cognitive-impairment-functional-dependence-and-worse-outcomes-across-a-set-of-quality-indicators
#8
Jacob G S Davidson, Dawn M Guthrie
OBJECTIVES: Hearing and vision impairment were examined across several health-related outcomes and across a set of quality indicators (QIs) in home care clients with both vision and hearing loss (or dual sensory impairment [DSI]). METHOD: Data collected using the Resident Assessment Instrument for Home Care (RAI-HC) were analyzed in a sample of older home care clients. The QIs represent the proportion of clients experiencing negative outcomes (e.g., falls, social isolation)...
August 1, 2017: Journal of Aging and Health
https://www.readbyqxmd.com/read/28804392/the-impact-of-aging-stereotypes-on-dementia-worry
#9
Joie Molden, Molly Maxfield
Dementia worry, an anxiety-related response to the possibility of developing dementia, represents an important yet underexplored health concern for an aging population. Such a construct is likely impacted by stereotypes concerning aging, including biased associations of aging with inevitable cognitive decline. The present article explores the impact of mixed positive and negative aging stereotype messages on levels of dementia worry. The Fear of Alzheimer's Disease Scale (FADS) was used to measure impact of priming with different proportions of positive and negative aging stereotype words...
March 2017: European Journal of Ageing
https://www.readbyqxmd.com/read/28803853/developmental-suppression-of-forebrain-trka-receptors-and-attentional-capacities-in-aging-rats-a-longitudinal-study
#10
Brittney Yegla, Vinay Parikh
Basal forebrain (BF) cholinergic neurons innervating the cortex regulate cognitive, specifically attentional, processes. Cholinergic atrophy and cognitive decline occur at an accelerated pace in age-related neurodegenerative disorders such as Alzheimer's disease; however, the mechanism responsible for this phenomenon remains unknown. Here we hypothesized that developmental suppression of nerve growth factor signaling, mediated via tropomyosin-related kinase A (trkA) receptors, would escalate age-related attentional vulnerability...
August 10, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28803710/intrathecal-2-hydroxypropyl-%C3%AE-cyclodextrin-decreases-neurological-disease-progression-in-niemann-pick-disease-type-c1-a-non-randomised-open-label-phase-1-2-trial
#11
Daniel S Ory, Elizabeth A Ottinger, Nicole Yanjanin Farhat, Kelly A King, Xuntian Jiang, Lisa Weissfeld, Elizabeth Berry-Kravis, Cristin D Davidson, Simona Bianconi, Lee Ann Keener, Ravichandran Rao, Ariane Soldatos, Rohini Sidhu, Kimberly A Walters, Xin Xu, Audrey Thurm, Beth Solomon, William J Pavan, Bernardus N Machielse, Mark Kao, Steven A Silber, John C McKew, Carmen C Brewer, Charles H Vite, Steven U Walkley, Christopher P Austin, Forbes D Porter
BACKGROUND: Niemann-Pick disease, type C1 (NPC1) is a lysosomal storage disorder characterised by progressive neurodegeneration. In preclinical testing, 2-hydroxypropyl-β-cyclodextrins (HPβCD) significantly delayed cerebellar Purkinje cell loss, slowed progression of neurological manifestations, and increased lifespan in mouse and cat models of NPC1. The aim of this study was to assess the safety and efficacy of lumbar intrathecal HPβCD. METHODS: In this open-label, dose-escalation phase 1-2a study, we gave monthly intrathecal HPβCD to participants with NPC1 with neurological manifestation at the National Institutes of Health (NIH), Bethesda, MD, USA...
August 10, 2017: Lancet
https://www.readbyqxmd.com/read/28803374/let-me-be-your-guide-physical-guidance-improves-spatial-learning-for-older-adults-with-simulated-low-vision
#12
Erica M Barhorst-Cates, Kristina M Rand, Sarah H Creem-Regehr
Monitoring one's safety during low vision navigation demands limited attentional resources which may impair spatial learning of the environment. In studies of younger adults, we have shown that these mobility monitoring demands can be alleviated, and spatial learning subsequently improved, via the presence of a physical guide during navigation. The present study extends work with younger adults to an older adult sample with simulated low vision. We test the effect of physical guidance on improving spatial learning as well as general age-related changes in navigation ability...
August 12, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28802919/nonmotor-signs-in-genetic-forms-of-parkinson-s-disease
#13
Meike Kasten, Connie Marras, Christine Klein
Although only a minority (i.e., ~5%) of Parkinson's disease (PD) cases is due to well-defined genetic causes, important clues about the common, "idiopathic" PD (iPD) can be garnered from monogenic model diseases. Nonmotor signs (NMS) are also present in monogenic PD and reviewed in this chapter for the confirmed PD genes SNCA, LRRK2, VPS35, Parkin, PINK1, DJ-1, and the risk factor gene GBA. Within the context of the MDSGene database (www.mdsgene.org), we performed a systematic literature search and extracted information on cognitive decline, depression, psychotic signs and symptoms, autonomic signs and symptoms, anxiety, sleep disorder, and olfactory impairment...
2017: International Review of Neurobiology
https://www.readbyqxmd.com/read/28797784/the-role-of-age-in-neurocognitive-functioning-among-adult-allogeneic-hematopoietic-cell-transplant-recipients
#14
Aasha I Hoogland, Ashley M Nelson, Brent J Small, Kelly A Hyland, Brian D Gonzalez, Margaret Booth-Jones, Claudio Anasetti, Paul B Jacobsen, Heather S L Jim
Improvements in supportive care have enabled allogeneic hematopoietic cell transplant (HCT) to be performed in increasingly older patients. HCT is associated with neurocognitive impairment, which may be exacerbated in older adults due to normal neurocognitive decline associated with aging. The goal of this study was to evaluate whether increased age in allogeneic HCT recipients is associated with worse neurocognitive outcomes over time relative to a matched sample of individuals without cancer. Patients (n = 140; 42% female, M age = 51, range = 20-76; 31% with acute myeloid leukemia) completed neurocognitive assessments before transplant and three months and one year post-transplant...
August 7, 2017: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/28797215/the-cadm2-gene-is-associated-with-processing-speed-performance-evidence-among-elderly-with-type-2-diabetes
#15
Lior Greenbaum, Ramit Ravona-Springer, Abigail Livny, Shahar Shelly, Inbal Sharvit-Ginon, Ithamar Ganmore, Anna Alkelai, Anthony Heymann, Michal Schnaider Beeri
OBJECTIVES: Recent large scale meta-analysis of genome wide association studies (GWAS) from multiple cohorts, demonstrated the association of the single nucleotide polymorphism (SNP) rs17518584, with processing speed (measured by the Digit Symbol Substitution Task (DSST) or the Letter Digit Substitution Test (LDST)), at GWAS significance level. This SNP is located within the cell adhesion molecule 2 (CADM2) gene. We aimed to validate this finding in our sample of 944 cognitively normal Jewish elderly individuals with type 2 diabetes (T2D), a population which is at risk for cognitive decline and dementia...
August 11, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28792973/the-effects-of-normal-aging-on-multiple-aspects-of-financial-decision-making
#16
Dorien F Bangma, Anselm B M Fuermaier, Lara Tucha, Oliver Tucha, Janneke Koerts
OBJECTIVES: Financial decision-making (FDM) is crucial for independent living. Due to cognitive decline that accompanies normal aging, older adults might have difficulties in some aspects of FDM. However, an improved knowledge, personal experience and affective decision-making, which are also related to normal aging, may lead to a stable or even improved age-related performance in some other aspects of FDM. Therefore, the present explorative study examines the effects of normal aging on multiple aspects of FDM...
2017: PloS One
https://www.readbyqxmd.com/read/28792247/role-of-emotion-and-cognition-on-age-differences-in-the-framing-effect
#17
Bingyan Pu, Huamao Peng, Shiyong Xia
Framing effect studies indicate that individuals are risk averse for decisions framed as gains but risk-seeking for decisions framed as losses. Findings of age-related differences in susceptibility to framing are mixed. In the current study, we examined emotional arousal in two decision tasks (life saving vs. money gambling) to evaluate the effects of emotion on age differences in the framing effect. When cognitive abilities and styles were controlled, there was a framing effect in the younger group in the life-saving task, a high-emotional arousal task, while older adults did not display this classic framing effect pattern...
September 2017: International Journal of Aging & Human Development
https://www.readbyqxmd.com/read/28782592/resveratrol-loaded-solid-lipid-nanoparticles-attenuate-mitochondrial-oxidative-stress-in-vascular-dementia-by-activating-nrf2-ho1-pathway
#18
Aarti Yadav, Aditya Sunkaria, Nitin Singhal, Rajat Sandhir
Vascular dementia (VaD) is the leading cause of cognitive decline resulting from vascular lesions. Recent studies have shown that mitochondrial dysfunctions and oxidative stress are involved in cognitive decline. The aim of the present study was to evaluate the beneficial effects of resveratrol-loaded solid lipid nanoparticles (R-SLNs) in permanent bilateral common carotid artery occlusion (BCCAO) induced model of VaD. R-SLNs prepared were 286 nm in size and had 91.25% drug encapsulation efficiency with sustained release...
August 4, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28781932/rehabilitation-improves-prognosis-and-activities-of-daily-living-in-hemodialysis-patients-with-low-activities-of-daily-living
#19
Misako Endo, Yuya Nakamura, Takuya Murakami, Hideki Tsukahara, Yoshinobu Watanabe, Yoshiyuki Matsuoka, Isao Ohsawa, Hiromichi Gotoh, Takae Inagaki, Emiko Oguchi
BACKGROUND: Activities of daily living (ADL) in aged hemodialysis patients decrease by many factors as hemodialysis therapy, various disease-related complications and underlying disease for rehabilitation. But the correlation between low ADL and mortality remains unclear. We assessed the levels of ADL and effects of rehabilitation in hemodialysis patients with low ADL. Moreover, the association between the baseline functional independence measure (FIM) or rehabilitation treatment effects and all-cause mortality were investigated...
2017: Physical Therapy Research
https://www.readbyqxmd.com/read/28777749/baseline-telomere-length-and-effects-of-a%C3%A2-multidomain-lifestyle-intervention-on-cognition-the-finger-randomized-controlled-trial
#20
Shireen Sindi, Tiia Ngandu, Iiris Hovatta, Ingemar Kåreholt, Riitta Antikainen, Tuomo Hänninen, Esko Levälahti, Tiina Laatikainen, Jaana Lindström, Teemu Paajanen, Markku Peltonen, Dharma Singh Khalsa, Benjamin Wolozin, Timo Strandberg, Jaakko Tuomilehto, Hilkka Soininen, Miia Kivipelto, Alina Solomon
Leukocyte telomere length (LTL) is a biomarker of aging, and it is associated with lifestyle. It is currently unknown whether LTL is associated with the response to lifestyle interventions. The goal is to assess whether baseline LTL modified the cognitive benefits of a 2-year multidomain lifestyle intervention (exploratory analyses). The Finnish Geriatric Intervention Study to Prevent Cognitive Impairment and Disability (FINGER) was a 2-year randomized controlled trial including 1,260 people at risk of cognitive decline, aged 60-77 years identified from the general population...
July 29, 2017: Journal of Alzheimer's Disease: JAD
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